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Trade and other payables (Tables)

12 Months Ended

Dec. 31, 2018

Subclassifications of assets, liabilities and equities [abstract]

Schedule of trade and other payables

	December 31, 2018				December 31, 2017
Trade accounts payable	$	6,924			$	13,181
Compensation payable	8,505				9,209
Other liabilities	5,327				2,491
Taxes payable	398				362
	$	21,154			$	25,243

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